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. Author manuscript; available in PMC: 2009 Apr 15.
Published in final edited form as: Neuroimage. 2007 Dec 27;40(3):991–1002. doi: 10.1016/j.neuroimage.2007.12.027

Table 4.

Measurements of the central surface on the simulated brain with pressure force

η (%)
Aver (mm)
Max (mm)
Std (mm)
GVF EDT GGVF GVF EDT GGVF GVF EDT GGVF GVF EDT GGVF
1 0.18 0.06 1.08 0.91 0.82 0.83 3.91 3.24 5.38 0.50 0.42 0.50
2 0.22 0.07 1.27 0.91 0.83 0.82 3.51 3.33 10.2 0.49 0.43 0.55
3 0.22 0.03 1.72 0.90 0.83 0.86 3.35 2.78 9.81 0.49 0.42 0.59
4 0.35 0.11 1.20 0.93 0.84 0.82 3.31 3.17 6.66 0.50 0.43 0.53
5 0.67 0.27 1.73 1.01 0.89 0.87 4.31 4.60 7.83 0.56 0.49 0.58
6 0.21 0.08 2.30 0.92 0.83 0.87 3.60 2.97 11 0.49 0.43 0.75
7 0.26 0.03 1.88 0.91 0.84 0.86 3.18 2.97 9.14 0.48 0.42 0.59
8 0.25 0.05 1.63 0.95 0.86 0.85 3.08 2.81 9.24 0.52 0.45 0.56
9 0.27 0.06 1.34 0.91 0.82 0.83 3.48 2.95 6.44 0.49 0.42 0.54
10 0.50 0.31 1.65 0.99 0.89 0.86 3.73 3.63 7.39 0.56 0.49 0.55
Mean 0.31 0.11 1.58 0.93 0.84 0.85 3.54 3.24 8.31 0.51 0.44 0.57
t-test EDT<GVF P=0.0012 EDT<GGVF P=0.43 EDT<GVF P=0.09 EDT<GVF P=2e-5
GVF<GGVF P=4e-9 EDT<GVF P=4e-6 GVF<GGVF P=1e-7 GVF<GGVF P=0.056

t-tests are performed to compare the different methods, and the P-values are presented.